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Abstract
A taxonomic study using a polyphasic approach was performed on a Gram-stain-negative, aerobic, non-motile, non-spore-forming, rod-shaped bacterium, designated strain PB156T, isolated from grass soil. Comparative 16S rRNA gene sequence studies showed that the isolate was clearly affiliated with the phylum Bacteroidetes , and most closely related to Hymenobacter soli PB17T, Hymenobacter antarcticus VUG-A42aaT and Hymenobacter glaciei VUG-A130T, showing 96.4, 96.2 and 95.9 % 16S rRNA gene sequence similarity, respectively, while all other species of the genus shared only 89.3–95.2 % similarity. The main polyamine present was sym-homospermidine. The predominant menaquinone was MK-7. The major fatty acids were C15 : 0 iso, summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c/t), C16 : 1ω5c and C15 : 0 anteiso. The G+C content of the genomic DNA of strain PB156T was 61.7 mol%. The combined genotypic and phenotypic data supported the conclusion that strain PB156T represents a novel species of the genus Hymenobacter , for which the name Hymenobacter ruber sp. nov. is proposed. The type strain is PB156T ( = KCTC 32477T = JCM 19433T).
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Funding
- Advanced Biomass R&D Centre
- Global Frontier Program
- Korean Ministry of Education, Science & Technology
- CAER (Centre for Aquatic Ecosystem Restoration) in the Eco-STAR project from the Korean Ministry of Environment
- Open Research Program of KIST (Korea Research of Science and Technology)